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LT coding style. Blocking interface. Synchronization point

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Hi everybody! About my model:
Here is two different initiators and one target. Initiators makes b_transport to different sockets. first b_transport of each initiator its "req to transition", second - data transition. Could anybody help me to write synch point? My target should will call some behavioral function when all initiators will make "req to transition".
Could anybody helps me to change this code? Please, help me!
 

#define SC_INCLUDE_DYNAMIC_PROCESSES

#include <systemc.h>
#include <tlm.h>
#include <tlm_utils\simple_initiator_socket.h>
#include <tlm_utils\simple_target_socket.h>

SC_MODULE(Initiator) {

	tlm_utils::simple_initiator_socket<Initiator> socket;	
    	
	void process() {
		tlm::tlm_generic_payload *trans = new tlm::tlm_generic_payload;
		sc_time delay = sc_time(10, SC_NS);						

		for(int i =0 ; i < 100; i++) {
			
			cout << "Initiator1: send payload with req to target @ " << sc_time_stamp() << endl;
			socket->b_transport(*trans, delay);

			if(trans->is_response_ok()) {
				cout << "Initiator1: Start transaction. Send data @ " << sc_time_stamp() << endl;
				trans->set_data_ptr(reinterpret_cast<unsigned char*>(&i));			
				socket->b_transport(*trans, delay);
			}
		}
	}

	SC_CTOR(Initiator) {
		SC_THREAD(process);
	}
};

SC_MODULE(Initiator2) {

	tlm_utils::simple_initiator_socket<Initiator2> socket;	
    	
	void process() {
		tlm::tlm_generic_payload *trans = new tlm::tlm_generic_payload;
		sc_time delay = sc_time(0, SC_NS);				
	

		for(int i =5 ; i < 100; i++) {
						
			cout << "Initiator2: send payload with req to target @ " << sc_time_stamp() << endl;
			socket->b_transport(*trans, delay);

			if(trans->is_response_ok()) {
				cout << "Initiator2: Start transaction. Send data @ " << sc_time_stamp() << endl;
				trans->set_data_ptr(reinterpret_cast<unsigned char*>(&i));			
				socket->b_transport(*trans, delay);				
			}
		}
	}

	SC_CTOR(Initiator2) {
		SC_THREAD(process);
	}
};

 
SC_MODULE(Target) {

	tlm_utils::simple_target_socket<Target> socket, socket2;
	bool dataRecievedI1, dataRecoevedI2;

	virtual void process1(tlm::tlm_generic_payload &tx, sc_time& dt) {
		if(!dataRecievedI1) {
			wait(socket->default_event());
		}		
	}	

	virtual void process2(tlm::tlm_generic_payload &tx, sc_time& dt) {
		if(!dataRecoevedI2) {
		}
	}

	SC_CTOR(Target) {
		dataRecievedI1 = false;
		dataRecoevedI2 = false;

		socket.register_b_transport(this, &Target::process1);
		socket2.register_b_transport(this, &Target::process2);
	}
};

SC_MODULE(Top) {
	Initiator		*initiator;	
	Initiator2		*initiator2;
	Target			*target;

	SC_CTOR(Top) {
		initiator			= new Initiator	("initiator");
		target				= new Target	("target");		
		initiator2			= new Initiator2("initiator2");

		initiator->socket.bind(target->socket);		
		initiator2->socket.bind(target->socket2);
	}
};

int sc_main(int argc, char* argv[]) {
  Top top("top");
  sc_start();

  getchar();
  return 0;
}

 

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